Complementary, Supplementary & Vertical Angles

Two angles added together to produce 90 degrees

• Supplementary
• Complementary
• Right
• Vertical

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Find x.

What is the measure of angle 2 ?

What is the measure of ∠2 ?

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Which of the following definitions apply to ∠1 and ∠3?

• Vertical angles

• Complementary angles

• Adjacent angles

• Supplementary angles

Which of the following definitions apply to ∠1 and ∠2?

• Complementary Angle

• Supplementary Angle

• Vertical Angle

• None

Which are pairs of vertical angles?

• ∠COB and ∠COA

• ∠AOD and ∠AOC

• ∠COB and ∠AOD

• ∠BOD and ∠AOD

Which angles are vertical angles?

Find M.